Clipping Mallard Back Toe

Recently, one of my hens hatched a little mallard duckling. He is turning 3 days old tomorrow, any advice on how to clip off the back toe for marking is appreciated, thanks! My other mallards were bought from Metzer Farms and already had their toes clipped when I bought them.

I've never clipped off one of my mallards toes but I think that you should think about cauterize the are afterwards. I didn't do it for two reasons; One I didn't want to hurt my little babies and two I was afraid of infection. If you cauterize it then you won't need to worry about bleeding and it will help keep infection out.